- updated to 0.88.3
- updated to new fedora-usermgmt macros
- cleanups: removed unneeded curlies, use plain command instead of %%__XXX
macro, whitespace cleanup, removed unneeded versioned dependencies
- added a 'Requires(post): group(clamav)' dependencies for -update and
added the corresponding Provides: to -data
- removed the %%_without_milter conditional; you won't gain anything when
milter would be disabled at buildtime